# SDR 2020F00360

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2020
- Submitted: August 23, 2020
- Operation: General aviation
- Filed by: [Pemco World Air Services Inc, repair station 6PMR677B](https://openairdocs.org/faa-repair-station/6PMR677B/pemco-world-air-services-inc.md) (OpenAirDocs)
- Aircraft: [N753CX](https://openairdocs.org/aircraft/N753CX), registered now
- Make and model: Boeing 757-2Y0
- Registry model: [Boeing 757-2Y0](https://openairdocs.org/model/boeing-757-2y0) (OpenAirDocs)
- Aircraft serial: 26152
- Aircraft time: 64,104 hours, 24,834 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Keelbeam
- Part number: 144N8049
- Condition: Corroded
- Location: Zone 100
- Part time: 64,104 hours, 24,834 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2020F00360

## Discrepancy

AIRBORNE/PEMCO NON-ROUTINE 2867N279 DISCREPANCY: LH W/W INNER BULKHEAD WEB CORRODED AT PASS-THRU BS 1175 LBL0 CORRECTIVE ACTION: CLEANED AND EVALUATED L/H WW INNER BULKHEAD WEB ORIGINAL MATERIAL .130", MATERIAL LOSS .040", MATERIAL REMAINING .090" FOUND TO BE OUT OF LIMITS. REPAIRED L/H WW INNER BULKHEAD WEB AT STA 1175 LBL0 IAW B757-200 SRM 53-40-14AD1 FIG 101 DEATAIL VI AND PER EO# 20366-9 REV IR.

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